EP3569944A4 - Air conditioning device and indoor unit - Google Patents

Air conditioning device and indoor unit Download PDF

Info

Publication number
EP3569944A4
EP3569944A4 EP17891222.6A EP17891222A EP3569944A4 EP 3569944 A4 EP3569944 A4 EP 3569944A4 EP 17891222 A EP17891222 A EP 17891222A EP 3569944 A4 EP3569944 A4 EP 3569944A4
Authority
EP
European Patent Office
Prior art keywords
air conditioning
indoor unit
conditioning device
indoor
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17891222.6A
Other languages
German (de)
French (fr)
Other versions
EP3569944A1 (en
EP3569944B1 (en
Inventor
Takuro Yamada
Masahiro Honda
Yuusuke OKA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP3569944A1 publication Critical patent/EP3569944A1/en
Publication of EP3569944A4 publication Critical patent/EP3569944A4/en
Application granted granted Critical
Publication of EP3569944B1 publication Critical patent/EP3569944B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F25B40/02—Subcoolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F25B41/24—Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/88—Electrical aspects, e.g. circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/006—Compression machines, plants or systems with reversible cycle not otherwise provided for two pipes connecting the outdoor side to the indoor side with multiple indoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
    • F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/029—Control issues
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
    • F25B2500/221—Preventing leaks from developing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
    • F25B2500/222—Detecting refrigerant leaks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2513—Expansion valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2519—On-off valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Air Conditioning Control Device (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
EP17891222.6A 2017-01-11 2017-12-22 Air conditioning device and indoor unit Active EP3569944B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017002780A JP7215819B2 (en) 2017-01-11 2017-01-11 Air conditioner and indoor unit
PCT/JP2017/046182 WO2018131432A1 (en) 2017-01-11 2017-12-22 Air conditioning device and indoor unit

Publications (3)

Publication Number Publication Date
EP3569944A1 EP3569944A1 (en) 2019-11-20
EP3569944A4 true EP3569944A4 (en) 2020-09-09
EP3569944B1 EP3569944B1 (en) 2022-08-03

Family

ID=62840059

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17891222.6A Active EP3569944B1 (en) 2017-01-11 2017-12-22 Air conditioning device and indoor unit

Country Status (6)

Country Link
US (1) US20210131706A1 (en)
EP (1) EP3569944B1 (en)
JP (1) JP7215819B2 (en)
CN (1) CN110168288A (en)
ES (1) ES2928874T3 (en)
WO (1) WO2018131432A1 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10119738B2 (en) 2014-09-26 2018-11-06 Waterfurnace International Inc. Air conditioning system with vapor injection compressor
JP6721546B2 (en) * 2017-07-21 2020-07-15 ダイキン工業株式会社 Refrigeration equipment
WO2019064850A1 (en) * 2017-09-29 2019-04-04 ダイキン工業株式会社 Air conditioning system
CN109084421B (en) 2018-08-03 2020-08-18 广东美的暖通设备有限公司 Control method and control device of air conditioner and air conditioner
US11592215B2 (en) 2018-08-29 2023-02-28 Waterfurnace International, Inc. Integrated demand water heating using a capacity modulated heat pump with desuperheater
JP7412887B2 (en) * 2019-01-02 2024-01-15 ダイキン工業株式会社 Air conditioner and flow path switching valve
JP6750696B2 (en) * 2019-01-31 2020-09-02 ダイキン工業株式会社 Refrigerant cycle device
KR102622740B1 (en) * 2019-03-25 2024-01-10 삼성전자주식회사 Refrigerator
JP7057510B2 (en) * 2019-06-14 2022-04-20 ダイキン工業株式会社 Refrigerant cycle device
JP7401795B2 (en) * 2019-09-09 2023-12-20 ダイキン工業株式会社 Refrigerant leak determination system
JP7397286B2 (en) * 2019-09-30 2023-12-13 ダイキン工業株式会社 Refrigeration cycle equipment
GB2589841A (en) * 2019-11-15 2021-06-16 The Univ Of Hull A heat pump system
JP7495594B2 (en) * 2020-02-05 2024-06-05 ダイキン工業株式会社 Air Conditioning System
US11131471B1 (en) 2020-06-08 2021-09-28 Emerson Climate Technologies, Inc. Refrigeration leak detection
US11125457B1 (en) 2020-07-16 2021-09-21 Emerson Climate Technologies, Inc. Refrigerant leak sensor and mitigation device and methods
KR20220028404A (en) * 2020-08-28 2022-03-08 엘지전자 주식회사 Multi-air conditioner for heating and cooling operations
US11754324B2 (en) 2020-09-14 2023-09-12 Copeland Lp Refrigerant isolation using a reversing valve
US11940188B2 (en) 2021-03-23 2024-03-26 Copeland Lp Hybrid heat-pump system
US11674727B2 (en) * 2021-07-23 2023-06-13 Goodman Manufacturing Company, L.P. HVAC equipment with refrigerant gas sensor
CN114754463B (en) * 2022-03-17 2024-06-07 青岛海尔空调电子有限公司 Refrigerant leakage control method and device and multi-split air conditioner

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0252967A (en) * 1988-08-12 1990-02-22 Sanyo Electric Co Ltd Air conditioning apparatus
JPH0310172U (en) * 1989-06-12 1991-01-30
JPH1123104A (en) * 1997-07-02 1999-01-26 Hitachi Ltd Air conditioner
JP2004069295A (en) * 2003-10-02 2004-03-04 Mitsubishi Electric Corp Refrigerator using inflammable refrigerant
JP2012013339A (en) * 2010-07-02 2012-01-19 Hitachi Appliances Inc Air conditioner
US20120272672A1 (en) * 2010-02-10 2012-11-01 Mitsubishi Electric Corporation Air-conditioning apparatus
JP2015049016A (en) * 2013-09-04 2015-03-16 新菱冷熱工業株式会社 Heat exchanger for air conditioning equipment
WO2016204194A1 (en) * 2015-06-18 2016-12-22 ダイキン工業株式会社 Air conditioner
WO2016208470A1 (en) * 2015-06-26 2016-12-29 ダイキン工業株式会社 Air conditioning system

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JP2002022207A (en) * 2000-07-06 2002-01-23 Hideaki Sodeyama Method for preventing corrosion of air-conditioner and deciding device
KR20180120816A (en) 2003-08-21 2018-11-06 가부시키가이샤 니콘 Exposure apparatus, exposure method, and device producing method
CN2767921Y (en) * 2004-12-14 2006-03-29 浙江三花制冷集团有限公司 Expansion valve gas box head assembly
CN201191112Y (en) 2008-04-01 2009-02-04 海信科龙电器股份有限公司 Refrigeration facilities tubing for air-conditioner
JP2010007995A (en) * 2008-06-27 2010-01-14 Daikin Ind Ltd Refrigerant amount determining method of air conditioning device, and air conditioning device
CN202757359U (en) * 2012-06-11 2013-02-27 Tcl空调器(中山)有限公司 Throttling device and air conditioner

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0252967A (en) * 1988-08-12 1990-02-22 Sanyo Electric Co Ltd Air conditioning apparatus
JPH0310172U (en) * 1989-06-12 1991-01-30
JPH1123104A (en) * 1997-07-02 1999-01-26 Hitachi Ltd Air conditioner
JP2004069295A (en) * 2003-10-02 2004-03-04 Mitsubishi Electric Corp Refrigerator using inflammable refrigerant
US20120272672A1 (en) * 2010-02-10 2012-11-01 Mitsubishi Electric Corporation Air-conditioning apparatus
JP2012013339A (en) * 2010-07-02 2012-01-19 Hitachi Appliances Inc Air conditioner
JP2015049016A (en) * 2013-09-04 2015-03-16 新菱冷熱工業株式会社 Heat exchanger for air conditioning equipment
WO2016204194A1 (en) * 2015-06-18 2016-12-22 ダイキン工業株式会社 Air conditioner
WO2016208470A1 (en) * 2015-06-26 2016-12-29 ダイキン工業株式会社 Air conditioning system

Non-Patent Citations (1)

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Title
See also references of WO2018131432A1 *

Also Published As

Publication number Publication date
JP2018112350A (en) 2018-07-19
EP3569944A1 (en) 2019-11-20
CN110168288A (en) 2019-08-23
US20210131706A1 (en) 2021-05-06
WO2018131432A1 (en) 2018-07-19
ES2928874T3 (en) 2022-11-23
JP7215819B2 (en) 2023-01-31
EP3569944B1 (en) 2022-08-03

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